led polarity legs - SERP Analysis

https://www.switchelectronics.co.uk/blogs/news/led-polarity-basic-guide?srsltid=AfmBOoqcRfH0ul9qst2yMiDvq3V02bokbJDTWBKTo_tNiXlB1erVYusc

https://www.instructables.com/5-Simple-Ways-to-Determine-LED-Polarity/

https://greenice.com/en-gb/blogs/tips-2/polarity-of-an-led-what-is-and-how-to-identify-it

https://learn.sparkfun.com/tutorials/polarity/diode-and-led-polarity

https://www.youtube.com/shorts/_Ndg1_aq_jY

https://makecode.adafruit.com/learnsystem/pins-tutorial/devices/led-connections

https://www.davidhaillant.com/how-to-determine-through-hole-led-polarity/

https://www.bestpcbs.com/blog/2025/02/what-is-led-polarity-and-why-does-it-matter/

https://www.reddit.com/r/diypedals/comments/cip0zy/led_polarity/

https://www.ledyilighting.com/what-is-the-polarity-of-led-lights/